| 摘要 |
<p>The system has a swimming camera with a holding system for detachable swimming blisters, where sewage is used as locomotion unit for the swimming camera. A pulling unit (7) is applicable as a pulling tool of a flush tube (3), and a camera supply cable (4) and the flush tube are arranged at the camera system. The supply cable and the flush tube are guided in such a manner that the camera is always adjusted in the center of a channel. A swimming carriage body produces an idleness system for a still-state of the camera in the sewage.</p> |
